move src/plugins/coreplugin/ssh to src/lib/utils/ssh

Merge-request: 253
Reviewed-by: hjk <qtc-committer@nokia.com>

src/libs/utils/ssh/sshcryptofacility_p.h

@@ -0,0 +1,158 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** No Commercial Usage
+**
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#ifndef SSHABSTRACTCRYPTOFACILITY_P_H
+#define SSHABSTRACTCRYPTOFACILITY_P_H
+
+#include <botan/auto_rng.h>
+#include <botan/symkey.h>
+
+#include <QtCore/QByteArray>
+#include <QtCore/QScopedPointer>
+
+namespace Botan {
+    class BigInt;
+    class BlockCipher;
+    class BlockCipherMode;
+    class BlockCipherModePaddingMethod;
+    class HashFunction;
+    class HMAC;
+    class Pipe;
+    class PK_Signing_Key;
+}
+
+namespace Utils {
+namespace Internal {
+
+class SshKeyExchange;
+
+class SshAbstractCryptoFacility
+{
+public:
+    virtual ~SshAbstractCryptoFacility();
+
+    void clearKeys();
+    void recreateKeys(const SshKeyExchange &kex);
+    QByteArray generateMac(const QByteArray &data, quint32 dataSize) const;
+    quint32 cipherBlockSize() const { return m_cipherBlockSize; }
+    quint32 macLength() const { return m_macLength; }
+
+protected:
+    SshAbstractCryptoFacility();
+    void convert(QByteArray &data, quint32 offset, quint32 dataSize) const;
+    QByteArray sessionId() const { return m_sessionId; }
+
+private:
+    SshAbstractCryptoFacility(const SshAbstractCryptoFacility &);
+    SshAbstractCryptoFacility &operator=(const SshAbstractCryptoFacility &);
+
+    virtual QByteArray cryptAlgoName(const SshKeyExchange &kex) const=0;
+    virtual QByteArray hMacAlgoName(const SshKeyExchange &kex) const=0;
+    virtual Botan::BlockCipherMode *makeCipherMode(Botan::BlockCipher *cipher,
+        Botan::BlockCipherModePaddingMethod *paddingMethod,
+        const Botan::InitializationVector &iv,
+        const Botan::SymmetricKey &key)=0;
+    virtual char ivChar() const=0;
+    virtual char keyChar() const=0;
+    virtual char macChar() const=0;
+
+    QByteArray generateHash(const SshKeyExchange &kex, char c, quint32 length);
+    void checkInvariant() const;
+
+    QByteArray m_sessionId;
+    QScopedPointer<Botan::Pipe> m_pipe;
+    QScopedPointer<Botan::HMAC> m_hMac;
+    quint32 m_cipherBlockSize;
+    quint32 m_macLength;
+};
+
+class SshEncryptionFacility : public SshAbstractCryptoFacility
+{
+public:
+    void encrypt(QByteArray &data) const;
+
+    void createAuthenticationKey(const QByteArray &privKeyFileContents);
+    QByteArray authenticationAlgorithmName() const;
+    QByteArray authenticationPublicKey() const { return m_authPubKeyBlob; }
+    QByteArray authenticationKeySignature(const QByteArray &data) const;
+    QByteArray getRandomNumbers(int count) const;
+
+    ~SshEncryptionFacility();
+
+private:
+    virtual QByteArray cryptAlgoName(const SshKeyExchange &kex) const;
+    virtual QByteArray hMacAlgoName(const SshKeyExchange &kex) const;
+    virtual Botan::BlockCipherMode *makeCipherMode(Botan::BlockCipher *cipher,
+        Botan::BlockCipherModePaddingMethod *paddingMethod,
+        const Botan::InitializationVector &iv, const Botan::SymmetricKey &key);
+    virtual char ivChar() const { return 'A'; }
+    virtual char keyChar() const { return 'C'; }
+    virtual char macChar() const { return 'E'; }
+
+    void createAuthenticationKeyFromPKCS8(const QByteArray &privKeyFileContents,
+        QList<Botan::BigInt> &pubKeyParams, QList<Botan::BigInt> &allKeyParams);
+    void createAuthenticationKeyFromOpenSSL(const QByteArray &privKeyFileContents,
+        QList<Botan::BigInt> &pubKeyParams, QList<Botan::BigInt> &allKeyParams);
+
+    static const QByteArray PrivKeyFileStartLineRsa;
+    static const QByteArray PrivKeyFileStartLineDsa;
+    static const QByteArray PrivKeyFileEndLineRsa;
+    static const QByteArray PrivKeyFileEndLineDsa;
+
+    QByteArray m_authKeyAlgoName;
+    QByteArray m_authPubKeyBlob;
+    QByteArray m_cachedPrivKeyContents;
+    QScopedPointer<Botan::PK_Signing_Key> m_authKey;
+    mutable Botan::AutoSeeded_RNG m_rng;
+};
+
+class SshDecryptionFacility : public SshAbstractCryptoFacility
+{
+public:
+    void decrypt(QByteArray &data, quint32 offset, quint32 dataSize) const;
+
+private:
+    virtual QByteArray cryptAlgoName(const SshKeyExchange &kex) const;
+    virtual QByteArray hMacAlgoName(const SshKeyExchange &kex) const;
+    virtual Botan::BlockCipherMode *makeCipherMode(Botan::BlockCipher *cipher,
+        Botan::BlockCipherModePaddingMethod *paddingMethod,
+        const Botan::InitializationVector &iv, const Botan::SymmetricKey &key);
+    virtual char ivChar() const { return 'B'; }
+    virtual char keyChar() const { return 'D'; }
+    virtual char macChar() const { return 'F'; }
+};
+
+} // namespace Internal
+} // namespace Utils
+
+#endif // SSHABSTRACTCRYPTOFACILITY_P_H